static dav_error *
dav_rawx_set_headers(request_rec *r, const dav_resource *resource)
{
if (!resource->exists)
return NULL;
DAV_DEBUG_REQ(r, 0, "%s(%s)", __FUNCTION__, resource_get_pathname(resource));
/* make sure the proper mtime is in the request record */
ap_update_mtime(r, resource->info->finfo.mtime);
ap_set_last_modified(r);
ap_set_etag(r);
/* we accept byte-ranges */
apr_table_setn(r->headers_out, apr_pstrdup(r->pool, "Accept-Ranges"),
apr_pstrdup(r->pool, "bytes"));
/* set up the Content-Length header */
ap_set_content_length(r, resource->info->finfo.size);
request_fill_headers(r, &(resource->info->chunk));
/* compute metadata_compress if compressed content */
if (resource->info->compression) {
char *buf = apr_pstrcat(r->pool, "compression=on;compression_algorithm=", resource->info->compress_algo,
";compression_blocksize=", apr_psprintf(r->pool, "%d", resource->info->cp_chunk.block_size), ";", NULL);
apr_table_setn(r->headers_out, apr_pstrdup(r->pool, "metadatacompress"), buf);
}
return NULL;
}
static int write_http_response(mapcache_context_apache_request *ctx, mapcache_http_response *response) {
request_rec *r = ctx->request;
int rc;
if(response->mtime) {
ap_update_mtime(r, response->mtime);
if((rc = ap_meets_conditions(r)) != OK) {
return rc;
}
char *timestr = apr_palloc(r->pool, APR_RFC822_DATE_LEN);
apr_rfc822_date(timestr, response->mtime);
apr_table_setn(r->headers_out, "Last-Modified", timestr);
}
if(response->headers && !apr_is_empty_table(response->headers)) {
const apr_array_header_t *elts = apr_table_elts(response->headers);
int i;
for(i=0;i<elts->nelts;i++) {
apr_table_entry_t entry = APR_ARRAY_IDX(elts,i,apr_table_entry_t);
if(!strcasecmp(entry.key,"Content-Type")) {
ap_set_content_type(r,entry.val);
} else {
apr_table_set(r->headers_out, entry.key, entry.val);
}
}
}
if(response->data) {
ap_set_content_length(r,response->data->size);
ap_rwrite((void*)response->data->buf, response->data->size, r);
}
r->status = response->code;
return OK;
}
static int req_update_mtime(lua_State* L)
{
request_rec *r = CHECK_REQUEST_OBJECT(1);
int mtime = luaL_checkint(L, 2);
ap_update_mtime(r, apr_time_from_sec(mtime));
return 0;
}
static int req_set_last_modified(lua_State* L)
{
request_rec *r = CHECK_REQUEST_OBJECT(1);
lua_Integer mtime = luaL_optinteger(L, 2, 0);
if (mtime)
{
ap_update_mtime(r, apr_time_from_sec(mtime));
}
ap_set_last_modified(r);
return 0;
}
static void accept_headers(cache_handle_t *h, request_rec *r)
{
apr_table_t *cookie_table;
const char *v;
v = apr_table_get(h->resp_hdrs, "Content-Type");
if (v) {
ap_set_content_type(r, v);
apr_table_unset(h->resp_hdrs, "Content-Type");
}
/* If the cache gave us a Last-Modified header, we can't just
* pass it on blindly because of restrictions on future values.
*/
v = apr_table_get(h->resp_hdrs, "Last-Modified");
if (v) {
ap_update_mtime(r, apr_date_parse_http(v));
ap_set_last_modified(r);
apr_table_unset(h->resp_hdrs, "Last-Modified");
}
/* The HTTP specification says that it is legal to merge duplicate
* headers into one. Some browsers that support Cookies don't like
* merged headers and prefer that each Set-Cookie header is sent
* separately. Lets humour those browsers by not merging.
* Oh what a pain it is.
*/
cookie_table = apr_table_make(r->pool, 2);
apr_table_do(set_cookie_doo_doo, cookie_table, r->err_headers_out,
"Set-Cookie", NULL);
apr_table_do(set_cookie_doo_doo, cookie_table, h->resp_hdrs,
"Set-Cookie", NULL);
apr_table_unset(r->err_headers_out, "Set-Cookie");
apr_table_unset(h->resp_hdrs, "Set-Cookie");
apr_table_overlap(r->headers_out, h->resp_hdrs,
APR_OVERLAP_TABLES_SET);
apr_table_overlap(r->err_headers_out, h->resp_err_hdrs,
APR_OVERLAP_TABLES_SET);
if (!apr_is_empty_table(cookie_table)) {
r->err_headers_out = apr_table_overlay(r->pool, r->err_headers_out,
cookie_table);
}
}
/**
* Take two sets of headers, sandwich them together, and apply the result to
* r->headers_out.
*
* To complicate this, a header may be duplicated in either table. Should a
* header exist in the top table, all matching headers will be removed from
* the bottom table before the headers are combined. The Warning headers are
* handled specially. Warnings are added rather than being replaced, while
* in the case of revalidation 1xx Warnings are stripped.
*
* The Content-Type and Last-Modified headers are then re-parsed and inserted
* into the request.
*/
void cache_accept_headers(cache_handle_t *h, request_rec *r, apr_table_t *top,
apr_table_t *bottom, int revalidation)
{
const char *v;
if (revalidation) {
r->headers_out = apr_table_make(r->pool, 10);
apr_table_do(filter_header_do, r->headers_out, bottom, NULL);
}
else if (r->headers_out != bottom) {
r->headers_out = apr_table_copy(r->pool, bottom);
}
apr_table_do(remove_header_do, r->headers_out, top, NULL);
apr_table_do(add_header_do, r->headers_out, top, NULL);
v = apr_table_get(r->headers_out, "Content-Type");
if (v) {
ap_set_content_type(r, v);
/*
* Also unset possible Content-Type headers in r->headers_out and
* r->err_headers_out as they may be different to what we have received
* from the cache.
* Actually they are not needed as r->content_type set by
* ap_set_content_type above will be used in the store_headers functions
* of the storage providers as a fallback and the HTTP_HEADER filter
* does overwrite the Content-Type header with r->content_type anyway.
*/
apr_table_unset(r->headers_out, "Content-Type");
apr_table_unset(r->err_headers_out, "Content-Type");
}
/* If the cache gave us a Last-Modified header, we can't just
* pass it on blindly because of restrictions on future values.
*/
v = apr_table_get(r->headers_out, "Last-Modified");
if (v) {
ap_update_mtime(r, apr_date_parse_http(v));
ap_set_last_modified(r);
}
}
/* Apache Handle Process and Output */
static int req_meets(lua_State*L )
{
request_rec *r = CHECK_REQUEST_OBJECT(1);
apr_time_t mtime = luaL_checkint(L, 2);
int len = luaL_checkint(L, 3);
int status;
if (mtime)
ap_update_mtime(r, mtime * APR_USEC_PER_SEC);
ap_set_last_modified(r);
ap_set_etag(r);
ap_set_accept_ranges(r);
apr_table_setn(r->headers_out, "Content-Length", apr_itoa(r->pool, len));
status = ap_meets_conditions(r);
if (status == 0)
{
lua_pushnil(L);
}
else
lua_pushinteger(L, status);
return 1;
}
static int
aclr_handler(request_rec *r)
{
int rc;
const char *idhead;
char *real_uri;
const char *docroot;
size_t docroot_len;
ap_filter_t *f, *nextf;
char iredirect[MAX_STRING_LEN];
aclr_dir_config *cfg = (aclr_dir_config *)ap_get_module_config
(r->per_dir_config, &aclr_module);
if (cfg->state != ACLR_ENABLED) {
return DECLINED;
}
if (!ap_is_initial_req(r)) {
return DECLINED;
}
idhead = apr_table_get(r->headers_in, xa_int_name);
if (idhead == NULL) {
return DECLINED;
}
#ifdef DEBUG
const char *server_name = ap_get_server_name(r);
#endif
docroot = ap_document_root(r);
docroot_len = strlen(docroot);
/* obtain real URI from filename - for rewrited URIs */
if (strncmp(r->filename, docroot, docroot_len) != 0) {
if (cfg->redirect_outside_of_docroot != ACLR_ENABLED) {
aclr_debug(2, r->server, "file \"%s\" is outside of "
"DocumentRoot \"%s\": %s%s",
r->filename, docroot, server_name, r->uri);
return DECLINED;
}
real_uri = r->uri;
}
else {
real_uri = r->filename;
real_uri += docroot_len;
}
snprintf(iredirect, sizeof(iredirect), "%s%s", idhead, real_uri);
aclr_debug(3, r->server, "trying to process request: %s%s -> %s",
server_name, r->uri, iredirect);
aclr_debug(3, r->server, "r->filename: %s", r->filename);
aclr_debug(3, r->server, "r->uri: %s", r->uri);
aclr_debug(3, r->server, "docroot: %s", docroot);
aclr_debug(3, r->server, "real_uri: %s", real_uri);
if ((rc = ap_discard_request_body(r)) != OK) {
return rc;
}
apr_table_set(r->headers_out, xa_ver_name, ACLR_VERSION);
if ((r->method_number != M_GET) || (r->header_only)) {
aclr_debug(2, r->server, "request method is not GET: %s%s",
server_name, r->uri);
return DECLINED;
}
if (r->finfo.filetype != APR_REG) {
aclr_debug(2, r->server, "request file not found "
"or is not regular file: %s%s",
server_name, r->uri);
return DECLINED;
}
if (cfg->fsize != UNSET && r->finfo.size < cfg->fsize) {
aclr_debug(2, r->server, "file size %lu < minsize %lu: %s%s",
r->finfo.size, cfg->fsize, server_name, r->uri);
return DECLINED;
}
f = r->output_filters;
do {
nextf = f->next;
aclr_debug(3, r->server, "output filter: %s", f->frec->name);
if (strcmp(f->frec->name, "includes") == 0) {
aclr_debug(2, r->server, "request uses INCLUDES filter: %s%s",
server_name, r->uri);
return DECLINED;
}
f = nextf;
} while (f && f != r->proto_output_filters);
apr_table_set(r->headers_out, xa_redir_name, iredirect);
r->header_only = 0;
ap_update_mtime(r, r->finfo.mtime);
aclr_debug(1, r->server, "request %s%s redirected to %s",
server_name, r->uri, iredirect);
return OK;
}
/**
* Sets the HTTP headers, like the size of the content, the modification date...
* @param r The request
* @param resource The resource generated previously
* @return NULL on success
*/
static dav_error *dav_ns_set_headers(request_rec *r, const dav_resource *resource)
{
dav_resource_private *info;
dav_error *err;
const char *etag;
char buffer[1024];
/* Null resource */
if(!resource->exists)
return NULL;
info = resource->info;
/* NS never serve files! Only metadata. */
if (!resource->collection && !resource->info->metalink) {
if ((err = dav_ns_get_location(info, r->pool)))
return err;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
"Resource %s located at %s",
info->sfn, info->redirect);
apr_table_setn(r->headers_out, "Location", info->redirect);
#ifdef WITH_METALINK
snprintf(buffer, sizeof(buffer),
"<%s://%s%s?metalink>; rel=describedby; type=\"application/metalink+xml\"",
info->d_conf->redir_scheme, info->request->hostname, info->request->uri);
apr_table_set(r->err_headers_out, "Link", buffer);
#endif
return dav_new_error(r->pool, HTTP_MOVED_TEMPORARILY, 0, info->redirect);
}
/* Need to redirect? (Missing trailing /) */
if (info->redirect) {
apr_table_setn(r->headers_out, "Location", info->redirect);
return dav_new_error(r->pool, HTTP_MOVED_PERMANENTLY, 0, info->redirect);
}
/* Content-type */
if (resource->info->metalink) {
ap_set_content_type(r, "application/metalink+xml");
snprintf(buffer, sizeof(buffer),
"attachment; filename=\"%s.metalink\"", info->stat.name);
apr_table_set(r->headers_out, "Content-Disposition", buffer);
}
else if (resource->collection) {
ap_set_content_type(r, "text/html");
}
/* Nice thing is, Apache takes care of implementing this */
apr_table_setn(r->headers_out, "Accept-Ranges", "bytes");
/* ETag */
etag = resource->hooks->getetag(resource);
apr_table_setn(r->headers_out, "ETag", etag);
/* NS saves the time in seconds since epoch, while Apache expects microseconds */
ap_update_mtime(r, info->stat.stat.st_mtime * 1000000);
ap_set_last_modified(r);
return NULL;
}
AP_DECLARE(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
int (*getsfunc) (char *, int, void *),
void *getsfunc_data)
{
char x[MAX_STRING_LEN];
char *w, *l;
int p;
int cgi_status = HTTP_UNSET;
apr_table_t *merge;
apr_table_t *cookie_table;
if (buffer) {
*buffer = '\0';
}
w = buffer ? buffer : x;
/* temporary place to hold headers to merge in later */
merge = apr_table_make(r->pool, 10);
/* The HTTP specification says that it is legal to merge duplicate
* headers into one. Some browsers that support Cookies don't like
* merged headers and prefer that each Set-Cookie header is sent
* separately. Lets humour those browsers by not merging.
* Oh what a pain it is.
*/
cookie_table = apr_table_make(r->pool, 2);
apr_table_do(set_cookie_doo_doo, cookie_table, r->err_headers_out, "Set-Cookie", NULL);
while (1) {
int rv = (*getsfunc) (w, MAX_STRING_LEN - 1, getsfunc_data);
if (rv == 0) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
"Premature end of script headers: %s",
apr_filepath_name_get(r->filename));
return HTTP_INTERNAL_SERVER_ERROR;
}
else if (rv == -1) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
"Script timed out before returning headers: %s",
apr_filepath_name_get(r->filename));
return HTTP_GATEWAY_TIME_OUT;
}
/* Delete terminal (CR?)LF */
p = strlen(w);
/* Indeed, the host's '\n':
'\012' for UNIX; '\015' for MacOS; '\025' for OS/390
-- whatever the script generates.
*/
if (p > 0 && w[p - 1] == '\n') {
if (p > 1 && w[p - 2] == CR) {
w[p - 2] = '\0';
}
else {
w[p - 1] = '\0';
}
}
/*
* If we've finished reading the headers, check to make sure any
* HTTP/1.1 conditions are met. If so, we're done; normal processing
* will handle the script's output. If not, just return the error.
* The appropriate thing to do would be to send the script process a
* SIGPIPE to let it know we're ignoring it, close the channel to the
* script process, and *then* return the failed-to-meet-condition
* error. Otherwise we'd be waiting for the script to finish
* blithering before telling the client the output was no good.
* However, we don't have the information to do that, so we have to
* leave it to an upper layer.
*/
if (w[0] == '\0') {
int cond_status = OK;
/* PR#38070: This fails because it gets confused when a
* CGI Status header overrides ap_meets_conditions.
*
* We can fix that by dropping ap_meets_conditions when
* Status has been set. Since this is the only place
* cgi_status gets used, let's test it explicitly.
*
* The alternative would be to ignore CGI Status when
* ap_meets_conditions returns anything interesting.
* That would be safer wrt HTTP, but would break CGI.
*/
if ((cgi_status == HTTP_UNSET) && (r->method_number == M_GET)) {
cond_status = ap_meets_conditions(r);
}
apr_table_overlap(r->err_headers_out, merge,
APR_OVERLAP_TABLES_MERGE);
if (!apr_is_empty_table(cookie_table)) {
/* the cookies have already been copied to the cookie_table */
apr_table_unset(r->err_headers_out, "Set-Cookie");
r->err_headers_out = apr_table_overlay(r->pool,
r->err_headers_out, cookie_table);
}
return cond_status;
}
/* if we see a bogus header don't ignore it. Shout and scream */
#if APR_CHARSET_EBCDIC
/* Chances are that we received an ASCII header text instead of
* the expected EBCDIC header lines. Try to auto-detect:
*/
if (!(l = strchr(w, ':'))) {
int maybeASCII = 0, maybeEBCDIC = 0;
unsigned char *cp, native;
apr_size_t inbytes_left, outbytes_left;
for (cp = w; *cp != '\0'; ++cp) {
native = apr_xlate_conv_byte(ap_hdrs_from_ascii, *cp);
if (apr_isprint(*cp) && !apr_isprint(native))
++maybeEBCDIC;
if (!apr_isprint(*cp) && apr_isprint(native))
++maybeASCII;
}
if (maybeASCII > maybeEBCDIC) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
"CGI Interface Error: Script headers apparently ASCII: (CGI = %s)",
r->filename);
inbytes_left = outbytes_left = cp - w;
apr_xlate_conv_buffer(ap_hdrs_from_ascii,
w, &inbytes_left, w, &outbytes_left);
}
}
#endif /*APR_CHARSET_EBCDIC*/
if (!(l = strchr(w, ':'))) {
char malformed[(sizeof MALFORMED_MESSAGE) + 1
+ MALFORMED_HEADER_LENGTH_TO_SHOW];
strcpy(malformed, MALFORMED_MESSAGE);
strncat(malformed, w, MALFORMED_HEADER_LENGTH_TO_SHOW);
if (!buffer) {
/* Soak up all the script output - may save an outright kill */
while ((*getsfunc) (w, MAX_STRING_LEN - 1, getsfunc_data)) {
continue;
}
}
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
"%s: %s", malformed,
apr_filepath_name_get(r->filename));
return HTTP_INTERNAL_SERVER_ERROR;
}
*l++ = '\0';
while (*l && apr_isspace(*l)) {
++l;
}
if (!strcasecmp(w, "Content-type")) {
char *tmp;
/* Nuke trailing whitespace */
char *endp = l + strlen(l) - 1;
while (endp > l && apr_isspace(*endp)) {
*endp-- = '\0';
}
tmp = apr_pstrdup(r->pool, l);
ap_content_type_tolower(tmp);
ap_set_content_type(r, tmp);
}
/*
* If the script returned a specific status, that's what
* we'll use - otherwise we assume 200 OK.
*/
else if (!strcasecmp(w, "Status")) {
r->status = cgi_status = atoi(l);
r->status_line = apr_pstrdup(r->pool, l);
}
else if (!strcasecmp(w, "Location")) {
apr_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Content-Length")) {
apr_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Content-Range")) {
apr_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Transfer-Encoding")) {
apr_table_set(r->headers_out, w, l);
}
/*
* If the script gave us a Last-Modified header, we can't just
* pass it on blindly because of restrictions on future values.
*/
else if (!strcasecmp(w, "Last-Modified")) {
ap_update_mtime(r, apr_date_parse_http(l));
ap_set_last_modified(r);
}
else if (!strcasecmp(w, "Set-Cookie")) {
apr_table_add(cookie_table, w, l);
}
else {
apr_table_add(merge, w, l);
}
}
return OK;
}
static apr_status_t ap_xsendfile_output_filter(ap_filter_t *f, apr_bucket_brigade *in) {
request_rec *r = f->r, *sr = NULL;
xsendfile_conf_t
*dconf = (xsendfile_conf_t *)ap_get_module_config(r->per_dir_config, &xsendfile_module),
*sconf = (xsendfile_conf_t *)ap_get_module_config(r->server->module_config, &xsendfile_module),
*conf = xsendfile_config_merge(r->pool, sconf, dconf);
core_dir_config *coreconf = (core_dir_config *)ap_get_module_config(r->per_dir_config, &core_module);
apr_status_t rv;
apr_bucket *e;
apr_file_t *fd = NULL;
apr_finfo_t finfo;
const char *file = NULL;
char *translated = NULL;
int errcode;
#ifdef _DEBUG
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, "xsendfile: output_filter for %s", r->the_request);
#endif
/*
should we proceed with this request?
* sub-requests suck
* furthermore default-handled requests suck, as they actually shouldn't be able to set headers
*/
if (
r->status != HTTP_OK
|| r->main
|| (r->handler && strcmp(r->handler, "default-handler") == 0) /* those table-keys are lower-case, right? */
) {
#ifdef _DEBUG
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, "xsendfile: not met [%d]", r->status);
#endif
ap_remove_output_filter(f);
return ap_pass_brigade(f->next, in);
}
/*
alright, look for x-sendfile
*/
file = apr_table_get(r->headers_out, AP_XSENDFILE_HEADER);
apr_table_unset(r->headers_out, AP_XSENDFILE_HEADER);
/* cgi/fastcgi will put the stuff into err_headers_out */
if (!file || !*file) {
file = apr_table_get(r->err_headers_out, AP_XSENDFILE_HEADER);
apr_table_unset(r->err_headers_out, AP_XSENDFILE_HEADER);
}
/* nothing there :p */
if (!file || !*file) {
#ifdef _DEBUG
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, "xsendfile: nothing found");
#endif
ap_remove_output_filter(f);
return ap_pass_brigade(f->next, in);
}
/*
drop *everything*
might be pretty expensive to generate content first that goes straight to the bitbucket,
but actually the scripts that might set this flag won't output too much anyway
*/
while (!APR_BRIGADE_EMPTY(in)) {
e = APR_BRIGADE_FIRST(in);
apr_bucket_delete(e);
}
r->eos_sent = 0;
rv = ap_xsendfile_get_filepath(r, conf, file, &translated);
if (rv != OK) {
ap_log_rerror(
APLOG_MARK,
APLOG_ERR,
rv,
r,
"xsendfile: unable to find file: %s",
file
);
ap_remove_output_filter(f);
ap_die(HTTP_NOT_FOUND, r);
return HTTP_NOT_FOUND;
}
#ifdef _DEBUG
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, "xsendfile: found %s", translated);
#endif
/*
ry open the file
*/
if ((rv = apr_file_open(
&fd,
translated,
APR_READ | APR_BINARY
#if APR_HAS_SENDFILE
| (coreconf->enable_sendfile == ENABLE_SENDFILE_ON ? APR_SENDFILE_ENABLED : 0)
#endif
,
0,
r->pool
)) != APR_SUCCESS) {
ap_log_rerror(
APLOG_MARK,
APLOG_ERR,
rv,
r,
"xsendfile: cannot open file: %s",
translated
);
ap_remove_output_filter(f);
ap_die(HTTP_NOT_FOUND, r);
return HTTP_NOT_FOUND;
}
#if APR_HAS_SENDFILE && defined(_DEBUG)
if (coreconf->enable_sendfile != ENABLE_SENDFILE_ON) {
ap_log_error(
APLOG_MARK,
APLOG_WARNING,
0,
r->server,
"xsendfile: sendfile configured, but not active %d",
coreconf->enable_sendfile
);
}
#endif
/* stat (for etag/cache/content-length stuff) */
if ((rv = apr_file_info_get(&finfo, APR_FINFO_NORM, fd)) != APR_SUCCESS) {
ap_log_rerror(
APLOG_MARK,
APLOG_ERR,
rv,
r,
"xsendfile: unable to stat file: %s",
translated
);
apr_file_close(fd);
ap_remove_output_filter(f);
ap_die(HTTP_FORBIDDEN, r);
return HTTP_FORBIDDEN;
}
/* no inclusion of directories! we're serving files! */
if (finfo.filetype != APR_REG) {
ap_log_rerror(
APLOG_MARK,
APLOG_ERR,
APR_EBADPATH,
r,
"xsendfile: not a file %s",
translated
);
apr_file_close(fd);
ap_remove_output_filter(f);
ap_die(HTTP_NOT_FOUND, r);
return HTTP_NOT_FOUND;
}
/*
need to cheat here a bit
as etag generator will use those ;)
and we want local_copy and cache
*/
r->finfo.inode = finfo.inode;
r->finfo.size = finfo.size;
/*
caching? why not :p
*/
r->no_cache = r->no_local_copy = 0;
/* some script (f?cgi) place stuff in err_headers_out */
if (
conf->ignoreLM == XSENDFILE_ENABLED
|| (
!apr_table_get(r->headers_out, "last-modified")
&& !apr_table_get(r->headers_out, "last-modified")
)
) {
apr_table_unset(r->err_headers_out, "last-modified");
ap_update_mtime(r, finfo.mtime);
ap_set_last_modified(r);
}
if (
conf->ignoreETag == XSENDFILE_ENABLED
|| (
!apr_table_get(r->headers_out, "etag")
&& !apr_table_get(r->err_headers_out, "etag")
)
) {
apr_table_unset(r->err_headers_out, "etag");
ap_set_etag(r);
}
apr_table_unset(r->err_headers_out, "content-length");
ap_set_content_length(r, finfo.size);
/* as we dropped all the content this field is not valid anymore! */
apr_table_unset(r->headers_out, "Content-Encoding");
apr_table_unset(r->err_headers_out, "Content-Encoding");
/* cache or something? */
if ((errcode = ap_meets_conditions(r)) != OK) {
#ifdef _DEBUG
ap_log_error(
APLOG_MARK,
APLOG_DEBUG,
0,
r->server,
"xsendfile: met condition %d for %s",
errcode,
file
);
#endif
apr_file_close(fd);
r->status = errcode;
}
else {
/* For platforms where the size of the file may be larger than
* that which can be stored in a single bucket (where the
* length field is an apr_size_t), split it into several
* buckets: */
if (sizeof(apr_off_t) > sizeof(apr_size_t)
&& finfo.size > AP_MAX_SENDFILE) {
apr_off_t fsize = finfo.size;
e = apr_bucket_file_create(fd, 0, AP_MAX_SENDFILE, r->pool,
in->bucket_alloc);
while (fsize > AP_MAX_SENDFILE) {
apr_bucket *ce;
apr_bucket_copy(e, &ce);
APR_BRIGADE_INSERT_TAIL(in, ce);
e->start += AP_MAX_SENDFILE;
fsize -= AP_MAX_SENDFILE;
}
e->length = (apr_size_t)fsize; /* Resize just the last bucket */
}
else {
e = apr_bucket_file_create(fd, 0, (apr_size_t)finfo.size,
r->pool, in->bucket_alloc);
}
#if APR_HAS_MMAP
if (coreconf->enable_mmap == ENABLE_MMAP_ON) {
apr_bucket_file_enable_mmap(e, 0);
}
#if defined(_DEBUG)
else {
ap_log_error(
APLOG_MARK,
APLOG_WARNING,
0,
r->server,
"xsendfile: mmap configured, but not active %d",
coreconf->enable_mmap
);
}
#endif /* _DEBUG */
#endif /* APR_HAS_MMAP */
APR_BRIGADE_INSERT_TAIL(in, e);
}
e = apr_bucket_eos_create(in->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(in, e);
/* remove ourselves from the filter chain */
ap_remove_output_filter(f);
#ifdef _DEBUG
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, "xsendfile: sending %d bytes", (int)finfo.size);
#endif
/* send the data up the stack */
return ap_pass_brigade(f->next, in);
}
apr_status_t jxr_process_response_headers(request_rec *r, char *buf)
{
apr_status_t rv = APR_SUCCESS;
apr_size_t pos;
apr_size_t len;
char type;
int nHeaders;
int i;
char name[MAX_STRING_LEN];
char value[MAX_STRING_LEN];
apr_size_t nlen, vlen;
table *merge;
table *cookie_table;
char *w, *l;
type = jxr_msg_get_type(buf);
len = jxr_msg_get_length(buf, &pos);
if (type != BLOCKTYPE_HTTP_HEADER)
{
// Invalid data
compat_log_rerror(APLOG_MARK, APLOG_WARNING, rv, r, "mod_jaxer: invalid data type (%c) received, while expecting a header (%d)", type, BLOCKTYPE_HTTP_HEADER);
return HTTP_INTERNAL_SERVER_ERROR;
}
/* temporary place to hold headers to merge in later */
merge = ap_make_table(r->pool, 10);
cookie_table = ap_make_table(r->pool, 2);
ap_table_do(set_cookie_doo_doo, cookie_table, r->err_headers_out, "Set-Cookie", NULL);
nHeaders = jxr_msg_get_int16(buf, &pos);
for (i=0; i<nHeaders; i++)
{
// Process one header -- name -- val
nlen = jxr_msg_get_string(buf, &pos, name);
vlen = jxr_msg_get_string(buf, &pos, value);
w = name;
l = value;
if (!strcasecmp(w, "Content-type")) {
char *tmp;
/* Nuke trailing whitespace */
char *endp = l + strlen(l) - 1;
while (endp > l && apr_isspace(*endp)) {
*endp-- = '\0';
}
tmp = ap_pstrdup(r->pool, l);
ap_content_type_tolower(tmp);
ap_set_content_type(r, tmp);
}
else if (!strcasecmp(w, "Status")) {
/*
* If the server returned a specific status, that's what
* we'll use - otherwise we assume 200 OK.
*/
r->status = atoi(l);
r->status_line = ap_pstrdup(r->pool, l);
}
else if (!strcasecmp(w, "Location")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Content-Length")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Content-Range")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Transfer-Encoding")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Last-Modified")) {
/*
* If the script gave us a Last-Modified header, we can't just
* pass it on blindly because of restrictions on future values.
*/
ap_update_mtime(r, apr_date_parse_http(l));
ap_set_last_modified(r);
}
else if (!strcasecmp(w, "Set-Cookie")) {
ap_table_add(cookie_table, w, l);
}
else {
ap_table_add(merge, w, l);
}
}
// now merge stuff
ap_overlap_tables(r->err_headers_out, merge,
AP_OVERLAP_TABLES_MERGE);
if (!ap_is_empty_table(cookie_table)) {
/* the cookies have already been copied to the cookie_table */
ap_table_unset(r->err_headers_out, "Set-Cookie");
r->err_headers_out = ap_overlay_tables(r->pool,
r->err_headers_out, cookie_table);
}
return rv;
}
static int file_cache_handler(request_rec *r)
{
a_file *match;
int errstatus;
int rc = OK;
/* Bail out if r->handler isn't the default value, and doesn't look like a Content-Type
* XXX: Even though we made the user explicitly list each path to cache?
*/
if (ap_strcmp_match(r->handler, "*/*") && !AP_IS_DEFAULT_HANDLER_NAME(r->handler)) {
return DECLINED;
}
/* we don't handle anything but GET */
if (r->method_number != M_GET) return DECLINED;
/* did xlat phase find the file? */
match = ap_get_module_config(r->request_config, &file_cache_module);
if (match == NULL) {
return DECLINED;
}
/* note that we would handle GET on this resource */
r->allowed |= (AP_METHOD_BIT << M_GET);
/* This handler has no use for a request body (yet), but we still
* need to read and discard it if the client sent one.
*/
if ((errstatus = ap_discard_request_body(r)) != OK)
return errstatus;
ap_update_mtime(r, match->finfo.mtime);
/* ap_set_last_modified() always converts the file mtime to a string
* which is slow. Accelerate the common case.
* ap_set_last_modified(r);
*/
{
apr_time_t mod_time;
char *datestr;
mod_time = ap_rationalize_mtime(r, r->mtime);
if (mod_time == match->finfo.mtime)
datestr = match->mtimestr;
else {
datestr = apr_palloc(r->pool, APR_RFC822_DATE_LEN);
apr_rfc822_date(datestr, mod_time);
}
apr_table_setn(r->headers_out, "Last-Modified", datestr);
}
/* ap_set_content_length() always converts the same number and never
* returns an error. Accelerate it.
*/
r->clength = match->finfo.size;
apr_table_setn(r->headers_out, "Content-Length", match->sizestr);
ap_set_etag(r);
if ((errstatus = ap_meets_conditions(r)) != OK) {
return errstatus;
}
/* Call appropriate handler */
if (!r->header_only) {
if (match->is_mmapped == TRUE)
rc = mmap_handler(r, match);
else
rc = sendfile_handler(r, match);
}
return rc;
}
/* The content handler */
static int rcache_handler(request_rec *r)
{
rcache_info *info;
info = ap_get_module_config(r->server->module_config, &rcache_module);
info->data = "";
info->r = r;
info->length = 0;
info->type = "";
apr_status_t rv;
const char *retrieve_url;
if (strcmp(r->handler, "rcache")) {
rv = DECLINED;
goto finish;
}
// redis context and connection
#ifdef CONN_PERSISTENT
redisContext *c = info->c;
redisReply *reply = info->reply;
if (!c) {
struct timeval timeout = { 1, 500000 }; // 1.5 seconds
c = redisConnectWithTimeout(info->hostname, info->port, timeout);
info->c = c;
// ping pong test
if ( !(c == NULL || c->err) ) {
reply = redisCommand(c,"PING");
#ifdef DEBUG
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "PING: %s", reply->str);
#endif
}
}
#else
redisContext *c;
redisReply *reply;
struct timeval timeout = { 1, 500000 }; // 1.5 seconds
c = redisConnectWithTimeout(info->hostname, info->port, timeout);
#endif
// when redis connection error
if (c == NULL || c->err) {
if (c) {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "Connection error: %s", c->errstr);
} else {
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "Connection error: can't allocate redis context" );
}
rv = HTTP_INTERNAL_SERVER_ERROR;
goto finish;
}
#ifdef FLAG_WAIT
int wait = 0;
#endif
if ( (retrieve_url = apr_table_get(r->subprocess_env, info->env_retrieve_url)) ) {
#ifdef DEBUG
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "%s", r->path_info);
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "%s", retrieve_url);
#endif
#ifdef FLAG_WAIT
// WAIT flag check.
reply = redisCommand(c, "GET %s%s", info->prefix_wait, r->path_info);
if( reply->type != REDIS_REPLY_NIL ) {
// cache hot-replace check.
if ( reply->type == REDIS_REPLY_STRING && 0 == strcmp(reply->str,"HOT") ){
redisCommand(c, "DEL %s%s", info->prefix_wait, r->path_info);
#ifdef DEBUG
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "hot cache replace: %s", r->path_info );
#endif
goto gencache;
}
// wait cache create.
wait = 1;
int loop = 10;
while(loop){
reply = redisCommand(c, "GET %s%s", info->prefix_wait, r->path_info);
#ifdef DEBUG
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "wait loop: remain %d sec", loop);
#endif
if( reply->type == REDIS_REPLY_NIL ) {
goto read;
}
sleep(1);
loop--;
}
// when timeup. delete flag.
redisCommand(c, "DEL %s%s", info->prefix_wait, r->path_info);
goto gencache;
}
#endif
read:
// read from redis.
reply = redisCommand(c, "HMGET %s%s CONTENT TYPE LENGTH MTIME", info->prefix, r->path_info);
if( reply->type == REDIS_REPLY_ARRAY ) {
if ( reply->element[0]->len == 0 ) goto gencache;
const char* tmp = apr_pstrdup(r->pool, reply->element[1]->str);
ap_set_content_type(r, tmp);
ap_set_content_length(r, atoi(reply->element[2]->str) );
apr_time_t time = atol(reply->element[3]->str);
ap_update_mtime(r, time);
ap_set_last_modified(r);
ap_set_etag(r);
apr_status_t rc = ap_meets_conditions(r);
if (rc != OK) {
rv = rc;
goto finish;
}
if (!r->header_only)
ap_rputs(reply->element[0]->str, r);
rv = OK;
goto finish;
}
}else{
rv = DECLINED;
goto finish;
}
gencache:
#ifdef FLAG_WAIT
if (wait == 0)
redisCommand(c, "SET %s%s 1", info->prefix_wait, r->path_info);
#endif
rv = rcache_curl(retrieve_url, info);
// set content to redis
if (rv == HTTP_OK) {
if (strcmp(info->type,""))
info->type = "text/html";
if (info->length == 0)
info->length = strlen(info->data);
redisCommand(c,"HMSET %s%s CONTENT %s TYPE %s LENGTH %d MTIME %ld",
info->prefix, r->path_info, info->data, info->type, info->length, info->mtime);
ap_set_content_type(r, info->type);
ap_set_content_length(r, info->length);
ap_update_mtime(r, info->mtime);
ap_set_last_modified(r);
ap_set_etag(r);
if (!r->header_only)
ap_rputs(info->data, r);
}
#ifdef FLAG_WAIT
redisCommand(c, "DEL %s%s", info->prefix_wait, r->path_info);
#endif
finish:
#ifndef CONN_PERSISTENT
freeReplyObject(reply);
redisFree(c);
#endif
return rv;
}
static int drive_flvx(request_rec *r)
{
apr_finfo_t fi;
apr_bucket_brigade *bb;
apr_off_t offset = 0;
apr_off_t length = 0;
apr_file_t *fp = NULL;
apr_status_t rv = APR_SUCCESS;
rv = apr_stat(&fi, r->filename, APR_FINFO_SIZE, r->pool);
if (rv) {
/* Let the core handle it. */
return DECLINED;
}
/* Open the file */
rv = apr_file_open(&fp, r->filename, APR_READ,
APR_OS_DEFAULT, r->pool);
if (rv) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"file permissions deny server access: %s", r->filename);
return HTTP_FORBIDDEN;
}
offset = get_start(r);
if (offset != 0 && offset < fi.size) {
length = fi.size - offset;
}
else {
length = fi.size;
/* Offset should be reset if invalid mod by Artur Bodera */
offset = 0;
}
bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
if (offset != 0) {
length += FLVX_HEADER_LEN;
rv = apr_brigade_write(bb, NULL, NULL, FLVX_HEADER, FLVX_HEADER_LEN);
if (rv) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"unable to write flv header in brigade");
return HTTP_INTERNAL_SERVER_ERROR;
}
}
apr_brigade_insert_file(bb, fp, offset, length, r->pool);
ap_set_content_type(r, "video/x-flv");
ap_set_content_length(r, length);
/* Add last-modified headers mod by Artur Bodera */
ap_update_mtime(r, r->finfo.mtime);
ap_set_last_modified(r);
return ap_pass_brigade(r->output_filters, bb);
}
/**
* SOAP content handler.
*
* @return the value that instructs the caller concerning what happened and what to do next.
* OK ("we did our thing")
* DECLINED ("this isn't something with which we want to get involved")
* HTTP_mumble ("an error status should be reported")
*/
static int
gsoap_handler(request_rec * r)
{
static const int nResponseBufferLen = IOBUF_CHUNK_SIZE;
const char *pszError = NULL;
struct soap *psoap = NULL;
struct apache_soap_interface *pIntf = NULL;
int nRet = 0;
char *pszResponse = NULL;
gsoapConfiguration *pConfig = getConfiguration(r);
gsoapRequestConfiguration *pRqConf = NULL;
/*
* only handle soap requests
*/
if (!strstr(r->handler, "soap"))
return DECLINED;
/*
* only handle POST requests
*/
if (r->method_number != M_POST && r->method_number != M_GET)
return DECLINED;
pszResponse = apr_pcalloc(r->pool, nResponseBufferLen);
assert(NULL != pConfig);
psoap = (struct soap *)apr_pcalloc(r->pool, sizeof(struct soap));
pRqConf = apr_pcalloc(r->pool, sizeof(gsoapRequestConfiguration));
pszError = SoapSharedLibraries_loadAllLibraries(pConfig->m_pLibraries, r->pool, r);
pIntf = pConfig->m_pLibraries->m_pIntf;
ap_update_mtime(r, r->request_time);
ap_set_last_modified(r);
if (NULL != pszError)
{
static Bool bFirstTime = TRUE;
if (bFirstTime)
{
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "mod_gsoap: %s", pszError);
bFirstTime = FALSE;
}
}
/*
* as a next step, we prepare a buffer that sends the request as first line to gsoap.
* Then the remaining data.
* We start returning bytes on frecv from this buffer, until it is empty.
* then it is not necessary to fiddle around with gsoap's request line parsing.
*/
if (NULL == pszError)
{
pRqConf->r = r;
pRqConf->headers_sent = FALSE;
pRqConf->headers_received = FALSE;
pRqConf->m_pszAllHeaders = NULL;
pRqConf->m_nHeaderLength = strlen(r->the_request) + 2;
pRqConf->m_pszCurrentHeaderReadingPosition = NULL;
pRqConf->m_nOutBufCount = 0;
pRqConf->m_nOutBufLength = nResponseBufferLen;
pRqConf->m_pOutBuf = apr_pcalloc(r->pool, nResponseBufferLen);
pRqConf->http_parse = NULL;
pRqConf->m_pszAllHeaders = apr_pcalloc(r->pool, pRqConf->m_nHeaderLength + 1);
pRqConf->m_pszCurrentHeaderReadingPosition = pRqConf->m_pszAllHeaders;
strcpy(pRqConf->m_pszAllHeaders, r->the_request);
strcat(pRqConf->m_pszAllHeaders, "\r\n");
pRqConf->pIntf = pIntf;
}
/*
* We're about to start sending content, so we need to force the HTTP
* headers to be sent at this point. Otherwise, no headers will be sent
* at all. We can set any we like first, of course. **NOTE** Here's
* where you set the "Content-type" header, and you do so by putting it in
* r->content_type, *not* r->headers_out("Content-type"). If you don't
* set it, it will be filled in with the server's default type (typically
* "text/plain"). You *must* also ensure that r->content_type is lower
* case.
*
*/
/*
* If we're only supposed to send header information (HEAD request), we're
* already there.
*/
if (r->header_only)
{
return OK;
}
if (NULL != pszError)
{
SendErrorMessage(r, pszError);
return OK;
}
nRet = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK);
if (OK != nRet)
{
SendErrorMessage(r, "Failed to start receiving POST buffer");
return OK;
}
nRet = ap_should_client_block(r);
/* we check whether this request is HTTP GET or not and handle the GET request */
if (r->method_number == M_GET)
{
HTTPGet_SendWSDL(r, pConfig->m_pLibraries->m_pSOAPLibrary->m_pszPath);
return OK;
}
if (0 == nRet)
{
SendErrorMessage(r, "No body received");
return OK;
}
if (NULL != pszError)
{
ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server, "mod_gsoap: %s", pszError);
SendErrorMessage(r, pszError);
return OK;
}
if (NULL != pIntf->fsoap_init)
{
(*pIntf->fsoap_init) (psoap, r);
psoap->namespaces = pIntf->namespaces;
set_callbacks(r, pRqConf, psoap);
if (NULL != pIntf->fsoap_serve)
{
nRet = (*pIntf->fsoap_serve) (psoap, r);
}
else
{
SendErrorMessage(r, "no soap_serve entry point");
return OK;
}
if (NULL != pIntf->fsoap_destroy)
{
pIntf->fsoap_destroy(psoap, r); /* not an error in 2.1.10 anymore */
}
if (NULL != pIntf->fsoap_end)
{
pIntf->fsoap_end(psoap, r);
}
else
{
SendErrorMessage(r, "no soap_end entry point");
}
if (NULL != pIntf->fsoap_done)
{
pIntf->fsoap_done(psoap, r);
}
else
{
SendErrorMessage(r, "no soap_done entry point");
}
}
else
{
SendErrorMessage(r, "no soap_init entry point");
return OK;
}
/*
* We did what we wanted to do, so tell the rest of the server we
* succeeded. We need not delete pszResponse, because it was allocated from the request pool.
*/
return OK;
}
static int reflector_handler(request_rec * r)
{
apr_bucket_brigade *bbin, *bbout;
reflector_cfg *conf;
apr_status_t status;
if (strcmp(r->handler, "reflector")) {
return DECLINED;
}
conf = (reflector_cfg *) ap_get_module_config(r->per_dir_config,
&reflector_module);
ap_allow_methods(r, 1, "POST", "OPTIONS", NULL);
if (r->method_number == M_OPTIONS) {
return ap_send_http_options(r);
}
else if (r->method_number == M_POST) {
const char *content_length, *content_type;
int seen_eos;
/*
* Sometimes we'll get in a state where the input handling has
* detected an error where we want to drop the connection, so if
* that's the case, don't read the data as that is what we're trying
* to avoid.
*
* This function is also a no-op on a subrequest.
*/
if (r->main || r->connection->keepalive == AP_CONN_CLOSE ||
ap_status_drops_connection(r->status)) {
return OK;
}
/* copy headers from in to out if configured */
apr_table_do(header_do, r, conf->headers, NULL);
/* last modified defaults to now, unless otherwise set on the way in */
if (!apr_table_get(r->headers_out, "Last-Modified")) {
ap_update_mtime(r, apr_time_now());
ap_set_last_modified(r);
}
ap_set_accept_ranges(r);
/* reflect the content length, if present */
if ((content_length = apr_table_get(r->headers_in, "Content-Length"))) {
apr_off_t offset;
apr_strtoff(&offset, content_length, NULL, 10);
ap_set_content_length(r, offset);
}
/* reflect the content type, if present */
if ((content_type = apr_table_get(r->headers_in, "Content-Type"))) {
ap_set_content_type(r, content_type);
}
bbin = apr_brigade_create(r->pool, r->connection->bucket_alloc);
bbout = apr_brigade_create(r->pool, r->connection->bucket_alloc);
seen_eos = 0;
do {
apr_bucket *bucket;
status = ap_get_brigade(r->input_filters, bbin, AP_MODE_READBYTES,
APR_BLOCK_READ, HUGE_STRING_LEN);
if (status != APR_SUCCESS) {
if (status == AP_FILTER_ERROR) {
apr_brigade_destroy(bbin);
return status;
}
else {
apr_brigade_destroy(bbin);
return HTTP_BAD_REQUEST;
}
}
for (bucket = APR_BRIGADE_FIRST(bbin);
bucket != APR_BRIGADE_SENTINEL(bbin);
bucket = APR_BUCKET_NEXT(bucket)) {
const char *data;
apr_size_t len;
if (APR_BUCKET_IS_EOS(bucket)) {
seen_eos = 1;
break;
}
/* These are metadata buckets. */
if (bucket->length == 0) {
continue;
}
/*
* We MUST read because in case we have an unknown-length
* bucket or one that morphs, we want to exhaust it.
*/
status = apr_bucket_read(bucket, &data, &len, APR_BLOCK_READ);
if (status != APR_SUCCESS) {
apr_brigade_destroy(bbin);
return HTTP_BAD_REQUEST;
}
apr_brigade_write(bbout, NULL, NULL, data, len);
status = ap_pass_brigade(r->output_filters, bbout);
if (status != APR_SUCCESS) {
/* no way to know what type of error occurred */
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, status, r, APLOGNO(01410)
"reflector_handler: ap_pass_brigade returned %i",
status);
return HTTP_INTERNAL_SERVER_ERROR;
}
}
apr_brigade_cleanup(bbin);
} while (!seen_eos);
return OK;
}
else {
return HTTP_METHOD_NOT_ALLOWED;
}
}
API_EXPORT(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
int (*getsfunc) (char *, int, void *),
void *getsfunc_data)
{
char x[MAX_STRING_LEN];
char *w, *l;
int p;
int cgi_status = HTTP_OK;
table *merge;
table *cookie_table;
if (buffer) {
*buffer = '\0';
}
w = buffer ? buffer : x;
ap_hard_timeout("read script header", r);
/* temporary place to hold headers to merge in later */
merge = ap_make_table(r->pool, 10);
/* The HTTP specification says that it is legal to merge duplicate
* headers into one. Some browsers that support Cookies don't like
* merged headers and prefer that each Set-Cookie header is sent
* separately. Lets humour those browsers by not merging.
* Oh what a pain it is.
*/
cookie_table = ap_make_table(r->pool, 2);
ap_table_do(set_cookie_doo_doo, cookie_table, r->err_headers_out, "Set-Cookie", NULL);
while (1) {
if ((*getsfunc) (w, MAX_STRING_LEN - 1, getsfunc_data) == 0) {
ap_kill_timeout(r);
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r,
"Premature end of script headers: %s", r->filename);
return HTTP_INTERNAL_SERVER_ERROR;
}
/* Delete terminal (CR?)LF */
p = strlen(w);
/* Indeed, the host's '\n':
'\012' for UNIX; '\015' for MacOS; '\025' for OS/390
-- whatever the script generates.
*/
if (p > 0 && w[p - 1] == '\n') {
if (p > 1 && w[p - 2] == CR) {
w[p - 2] = '\0';
}
else {
w[p - 1] = '\0';
}
}
/*
* If we've finished reading the headers, check to make sure any
* HTTP/1.1 conditions are met. If so, we're done; normal processing
* will handle the script's output. If not, just return the error.
* The appropriate thing to do would be to send the script process a
* SIGPIPE to let it know we're ignoring it, close the channel to the
* script process, and *then* return the failed-to-meet-condition
* error. Otherwise we'd be waiting for the script to finish
* blithering before telling the client the output was no good.
* However, we don't have the information to do that, so we have to
* leave it to an upper layer.
*/
if (w[0] == '\0') {
int cond_status = OK;
ap_kill_timeout(r);
if ((cgi_status == HTTP_OK) && (r->method_number == M_GET)) {
cond_status = ap_meets_conditions(r);
}
ap_overlap_tables(r->err_headers_out, merge,
AP_OVERLAP_TABLES_MERGE);
if (!ap_is_empty_table(cookie_table)) {
/* the cookies have already been copied to the cookie_table */
ap_table_unset(r->err_headers_out, "Set-Cookie");
r->err_headers_out = ap_overlay_tables(r->pool,
r->err_headers_out, cookie_table);
}
return cond_status;
}
/* if we see a bogus header don't ignore it. Shout and scream */
#ifdef CHARSET_EBCDIC
/* Chances are that we received an ASCII header text instead of
* the expected EBCDIC header lines. Try to auto-detect:
*/
if (!(l = strchr(w, ':'))) {
int maybeASCII = 0, maybeEBCDIC = 0;
char *cp;
for (cp = w; *cp != '\0'; ++cp) {
if (isprint(*cp) && !isprint(os_toebcdic[*cp]))
++maybeEBCDIC;
if (!isprint(*cp) && isprint(os_toebcdic[*cp]))
++maybeASCII;
}
if (maybeASCII > maybeEBCDIC) {
ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
"CGI Interface Error: Script headers apparently ASCII: (CGI = %s)", r->filename);
ascii2ebcdic(w, w, cp - w);
}
}
#endif
if (!(l = strchr(w, ':'))) {
char malformed[(sizeof MALFORMED_MESSAGE) + 1
+ MALFORMED_HEADER_LENGTH_TO_SHOW];
strcpy(malformed, MALFORMED_MESSAGE);
strncat(malformed, w, MALFORMED_HEADER_LENGTH_TO_SHOW);
if (!buffer) {
/* Soak up all the script output - may save an outright kill */
while ((*getsfunc) (w, MAX_STRING_LEN - 1, getsfunc_data)) {
continue;
}
}
ap_kill_timeout(r);
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r,
"%s: %s", malformed, r->filename);
return HTTP_INTERNAL_SERVER_ERROR;
}
*l++ = '\0';
while (*l && ap_isspace(*l)) {
++l;
}
if (!strcasecmp(w, "Content-type")) {
char *tmp;
/* Nuke trailing whitespace */
char *endp = l + strlen(l) - 1;
while (endp > l && ap_isspace(*endp)) {
*endp-- = '\0';
}
tmp = ap_pstrdup(r->pool, l);
ap_content_type_tolower(tmp);
r->content_type = tmp;
}
/*
* If the script returned a specific status, that's what
* we'll use - otherwise we assume 200 OK.
*/
else if (!strcasecmp(w, "Status")) {
r->status = cgi_status = atoi(l);
r->status_line = ap_pstrdup(r->pool, l);
}
else if (!strcasecmp(w, "Location")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Content-Length")) {
ap_table_set(r->headers_out, w, l);
}
else if (!strcasecmp(w, "Transfer-Encoding")) {
ap_table_set(r->headers_out, w, l);
}
/*
* If the script gave us a Last-Modified header, we can't just
* pass it on blindly because of restrictions on future values.
*/
else if (!strcasecmp(w, "Last-Modified")) {
time_t mtime = ap_parseHTTPdate(l);
ap_update_mtime(r, mtime);
ap_set_last_modified(r);
}
else if (!strcasecmp(w, "Set-Cookie")) {
ap_table_add(cookie_table, w, l);
}
else {
ap_table_add(merge, w, l);
}
}
}
